Trijicon ACOG 4x32 BAC Dual-Illum Rifle Combat Optic Red Horseshoe Dot Reticle for USMC A4/M4 TA31-D-100581

Regular price $1,091.95

Estimate delivery times: 3-6 days (United States), 12-26 days (international).

Return within 45 days of purchase. Duties & taxes are non-refundable.

Trijicon ACOG 4x32 BAC Dual-Illum Rifle Combat Optic Red Horseshoe Dot Reticle for USMC A4/M4 TA31-D-100581
Trijicon ACOG 4x32 BAC Dual-Illum Rifle Combat Optic Red Horseshoe Dot Reticle for USMC A4/M4 TA31-D-100581
Regular price $1,091.95

Trijicon ACOG 4x32 BAC Dual-Illum Rifle Combat Optic features a 4x magnification and a 32mm objective lens, delivering excellent clarity and a wide field of view of 7° (36.8 ft at 100 yards). This combat-proven optic utilizes dual illumination technology, combining fiber optics for daylight visibility and tritium for low-light conditions, ensuring the reticle remains visible without batteries. The red horseshoe dot reticle is engineered for quick target acquisition at close combat ranges, while also enhancing target engagement capabilities at longer distances.

Constructed with a rugged forged aluminum housing, the ACOG is waterproof up to 11 meters and nitrogen-filled to prevent fogging, making it ideal for use in extreme environments. Its fixed-power design minimizes moving parts, ensuring durability and reliability. This optic is particularly well-suited for military personnel, law enforcement, and civilian shooters who need a reliable, combat-ready sight for AR-15 style rifles, especially in varying lighting conditions.

Key Features:

  • DUAL ILLUMINATION TECHNOLOGY: Combines fiber optics for daylight illumination and tritium for low-light conditions, ensuring the reticle is always visible without batteries.
  • COMBAT-PROVEN DESIGN: Rugged forged aluminum housing with a matte black finish, waterproof up to 11 meters, and nitrogen-filled to prevent fogging.
  • PRECISION OPTICS: 4x magnification with a 32mm objective lens, providing a clear sight picture and a wide 7° field of view (36.8 ft @ 100 yards).
  • VERSATILE RETICLE: Red horseshoe dot reticle designed for quick target acquisition at close ranges and enhanced engagement at longer distances.
  • BINDON AIMING CONCEPT: Allows for "both eyes open" shooting, improving situational awareness in combat scenarios.
  • EASY ADJUSTMENTS: External adjusters for windage and elevation, requiring no tools and maintaining waterproof integrity.
  • SHOCK-RESISTANT: Proven to withstand recoil from various calibers and passes U.S. Military drop test requirements.
  • INCLUDED ACCESSORIES: Comes with a thumbscrew flattop adapter, scopecoat, LENSPEN, lanyard assembly for adjuster caps, and manual.

Technical Specifications

Specification Detail
SKU / MPN TA31-D-100581
UPC 719307312135
Weight 14.2 oz
Length 6"
Magnification 4x
Objective Diameter 32mm
Reticle Red Horseshoe Dot
Field of View 7° (36.8 ft @ 100 yards)
Exit Pupil 8.1 mm
Eye Relief 1.5"
Illumination Fiber Optics & Tritium
Housing Material Forged Aluminum
Finish Matte Black
Waterproof Up to 11 meters
Mount Flattop Thumbscrew Mount (TA51)

What's in the Box?

  • Thumbscrew Flattop Adapter (TA51)
  • 4x32 Scopecoat (TA64)
  • LENSPEN (TA56)
  • Lanyard Assembly for Adjuster Caps (TA71E)
  • Trijicon Logo Sticker (PR15)
  • ACOG Manual
  • Warranty Card

Customer Reviews

"The ACOG is incredibly reliable in all conditions. The dual illumination is a game changer!"
"Quick target acquisition makes this perfect for tactical situations. Highly recommend!"
"Excellent clarity and robust construction. It holds zero even after heavy use."

FAQ

How does the ACOG perform in low light conditions? The dual illumination feature utilizes fiber optics and tritium, ensuring the reticle is visible in both bright daylight and low-light environments, making it versatile for various shooting scenarios.

What maintenance does the ACOG require? Regularly inspect the optic for any debris or moisture. Use a lens pen to clean the lenses and ensure the external adjusters are functioning properly. The rugged design minimizes the need for extensive maintenance.

How does the ACOG compare to other optics in its class? With its fixed 4x magnification and dual illumination, the ACOG offers quick target acquisition and a durable build that is often preferred in military applications. While other optics may offer variable magnification, the ACOG's reliability and combat-proven design make it a top choice for many users.

Similar Models

Looking for more rifle optics? Explore our extensive Trijicon lineup, including models like the Trijicon VCOG 1-6x24 for versatile magnification and the Trijicon RMR Type 2 for an ultra-reliable reflex sight. Discover our full collection for exceptional optics tailored to your needs.

You May Also Like

Here’s some of our most similar products people are buying. Click to discover trending style.